EX-21.1 4 wms-ex211_11.htm EX-21.1 wms-ex211_11.htm

 

Exhibit 21.1

LIST OF SUBSIDIARIES

The following entities were subsidiaries of the Registrant as of March 31, 2017. Pursuant to Item 601(b)(21)(ii) of Regulation S-K, certain subsidiaries of the Registrant which, considered in the aggregate as a single subsidiary, would not have constituted a significant subsidiary (as defined in Rule 1-02(w) of Regulation S-X) have been omitted.

 

Name

 

Jurisdiction of Incorporation or Organization

ADS Structures, Inc.

 

Delaware

ADS Ventures, Inc.

 

Delaware

BaySaver Technologies, LLC(1)

 

Delaware

StormTech LLC

 

Delaware

Tigre-ADS USA Inc.(2)

 

Wisconsin

ADS Worldwide, Inc.

 

Delaware

ADS Corporativo, S.A. de C.V.(3)

 

Mexico

ADS Europe B.V.

 

Netherlands

ADS Middle East FZE

 

United Arab Emirates

ADS International, Inc.

 

Delaware

ADS Mexicana, S.A. de C.V.(3)

 

Mexico

ADS Latina, LLC(4)

 

Delaware

ADSM Centro América, S.A.

 

Costa Rica

Advanced Drainage Systems of Puerto Rico, Inc.

 

Puerto Rico

Tubos y Plásticos ADS Chile Limitada(5)

 

Chile

Tuberias Tigre-ADS Limitada(6)

 

Chile

Tigre-ADS Argentina S.R.L.(7)

 

Argentina

Tigre-ADS Colombia Limitada(7)

 

Columbia

Tigre-ADS Peru S.A.C.(7)

 

Peru

Tubos Tigre-ADS do Brasil Limitada(7)

 

Brazil

Tubos y Plásticos Tigre-ADS de Chile Limitada(7)

 

Chile

Green Line Polymers, Inc.

 

Delaware

Hancor Holding Corporation

 

Delaware

Hancor, Inc.

 

Ohio

Hancor of Canada, Inc.

 

Canada

Ideal Drain Tile Limited

 

Canada

Wave Plastics Inc.(8)

 

Canada

Ideal Pipe(9)

 

Canada

Inlet Pipe and Protection, Inc.

 

Illinois

Sewer Tap, Inc.

 

Oregon

Spartan Concrete, Inc.

 

Delaware

 

(1)

Owned 65% by ADS Ventures, Inc. and 35% by our joint venture partners.

(2)

Owned 49% by ADS Ventures, Inc. and 51% by our joint venture partner.

(3)

Owned 51% by ADS Worldwide, Inc. and 49% by our joint venture partner.

(4)

Owned 99% by ADS Mexicana, S.A. de C.V. and 1% by ADS Worldwide, Inc.

(5)

Owned 99% by ADS Worldwide, Inc. and 1% by ADS International Inc.

(6)

Owned 50% by Tubos y Plásticos ADS Chile Limitada and the remaining 50% by our joint venture partner.

(7)

Nominal interests are held by Tubos y Plásticos ADS Chile Limitada and our joint venture partner.

(8)

Owned 50% by Hancor of Canada, Inc. and 50% by Ideal Drain Tile Limited.

(9)

Owned 90% by Ideal Drain Tile Limited and 10% by Wave Plastics Inc.

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